supply of supply, termination installation, testing and commissioning of ventilation system on roof of paint shop of lower parel workshop along with complete installation , supply, termination installation, testing and commissioning of ventilation system on roof of p aint shop of lower parel workshop along with complete installation, frame work of suitable size with ms 50 mmx 50 mmx 5mm, cabling, cable try work, wiring and protection system with 4 pole 20a mcb for each an d mcb board along with 2.5 sqmm cable 4 core and 10 sqmm cable from panel to distribution board for ma n supply and power full exhaust system of length and height minimum 1 meter with width minimum 400 m m, diameter blades 900 mm, blades rotational speed -620 r/min or more. air flow 30,000 m?/h, noise level shall be less than 70 db, power shall be minimum 750 watt with the flap system and motor starter of 1 hp or as per suitable and confirming to s/iec 60947-4-1 or latest. all electrical works shall be carried out in acc ordance with the provision of indian electricity act 2003 and indian electricity rules 1956 amended to date and all the safety codes and procedures outlined in the safety codes shall be complied with general and saf ety requirement shall be governed by is 13947 (pt i) 1993 and is:8623/1993, amended to date. terminatio n of all cables shall be done with bimetallic terminal connector suitable for 2.5 dia aluminium tubular busba r for 20a copper palm copper cu etp cw 0041a and aluminium barrel aluminium al 99.5 cable connector t emperature resilience, corrosion resistance size: 2.5 sqmm confirming to is: 5561-1970 with maximum tem perature rise of 90 degree celsius. material shall be confirmed to designation a6 of is: 617-1959. breaking resistance for barrel 85 n/m sq m and for palm 225 n/m sq m with stretching a5% for barrel must be for p alm 2.5. type test certificate from nabl or any other govt agency lab report shall be attached along with t he offer without which offer will be rejected. [ warranty period: 30 months after the date of delivery ] ]